Diphtheria - number of reported cases in Canada
Canada: Diphtheria - number of reported cases was 5 in 2025. ◆ Volatile
Diphtheria - number of reported cases in Canada, 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
Canada recorded 5 for diphtheria - number of reported cases in 2025.
That represents a change of up 150.0% on the previous year and up 66.7% over ten years.
Over the whole period, diphtheria - number of reported cases in Canada peaked at 173 in 1974 and was at its lowest, 0, in 1977.
Canada ranks 38th of 210 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases in Canada, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 173 | — |
| 1975 | 103 | -40.5% |
| 1976 | 109 | +5.8% |
| 1977 | 0 | -100.0% |
| 1978 | 119 | — |
| 1979 | 54 | -54.6% |
| 1980 | 55 | +1.9% |
| 1981 | 7 | -87.3% |
| 1982 | 12 | +71.4% |
| 1983 | 11 | -8.3% |
| 1984 | 8 | -27.3% |
| 1985 | 9 | +12.5% |
| 1986 | 5 | -44.4% |
| 1987 | 4 | -20.0% |
| 1988 | 4 | +0.0% |
| 1989 | 3 | -25.0% |
| 1990 | 5 | +66.7% |
| 1991 | 3 | -40.0% |
| 1992 | 2 | -33.3% |
| 1993 | 2 | +0.0% |
| 1994 | 1 | -50.0% |
| 1995 | 2 | +100.0% |
| 1996 | 0 | -100.0% |
| 1997 | 1 | — |
| 1998 | 0 | -100.0% |
| 1999 | 1 | — |
| 2000 | 0 | -100.0% |
| 2001 | 0 | — |
| 2002 | 2 | — |
| 2003 | 2 | +0.0% |
| 2004 | 1 | -50.0% |
| 2005 | 0 | -100.0% |
| 2006 | 0 | — |
| 2007 | 5 | — |
| 2008 | 4 | -20.0% |
| 2009 | 2 | -50.0% |
| 2010 | 0 | -100.0% |
| 2011 | 1 | — |
| 2012 | 1 | +0.0% |
| 2013 | 0 | -100.0% |
| 2014 | 1 | — |
| 2015 | 3 | +200.0% |
| 2016 | 1 | -66.7% |
| 2017 | 4 | +300.0% |
| 2018 | 4 | +0.0% |
| 2019 | 5 | +25.0% |
| 2020 | 1 | -80.0% |
| 2021 | 5 | +400.0% |
| 2022 | 6 | +20.0% |
| 2023 | 2 | -66.7% |
| 2024 | 2 | +0.0% |
| 2025 | 5 | +150.0% |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases in Canada changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2021 | +400.0% | 1 | 5 |
| 2017 | +300.0% | 1 | 4 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 93 | 0 | 173 | 6 |
| 1980s | 11.8 | 3 | 55 | 10 |
| 1990s | 1.7 | 0 | 5 | 10 |
| 2000s | 1.6 | 0 | 5 | 10 |
| 2010s | 2 | 0 | 5 | 10 |
| 2020s | 3.5 | 1 | 6 | 6 |
Countries ranked near Canada
More health data for Canada
- Un projection of annual infant deaths, annual growth rate -1.79 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.3588 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,083 deaths per 1,000 people (2090)
- Number of infants who die before age 1 385 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 0.5214 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.023 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.5024 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is diphtheria - number of reported cases in Canada?
- Diphtheria - number of reported cases in Canada was 5 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest diphtheria - number of reported cases recorded in Canada?
- The highest recorded value was 173 in 1974.
- What is the lowest diphtheria - number of reported cases recorded in Canada?
- The lowest recorded value was 0 in 1977.
- How does Canada rank for diphtheria - number of reported cases?
- Canada ranks 38th out of 210 countries with data for 2025.
- Is diphtheria - number of reported cases rising or falling in Canada?
- Over the last ten years it is up 66.7%. The long-run trend across the full record is volatile.
- Where does this Canada data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Diphtheria - number of reported cases. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 52 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).